PHYSICS QUIZTest Your Knowledge Of Physics With These QuizzesPhysics Online Quiz for Kids and Adults #1. An atom is 99.99999999%…….. Water Air Empty Space Protons Work Harder#2. What is the speed of Light? Approx. 200,000 Km per second Approx. 300,000 Km per second Approx. 300,000 Km per hour Approx. 200,000 Km per minute Work Harder#3. Who was the first person that gave the concept of the smallest particle? Neils Bohr Democritus Heisenberg Work Harder Previous FinishResultsWell Done. You Are Roaring Like A LionKeep Working. Slow & Steady Wins The Race START NEW
